/*
 * Copyright 2013-2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.cloud.gateway.server.mvc.handler;

import java.util.Collections;
import java.util.List;

import org.springframework.web.servlet.function.HandlerFilterFunction;
import org.springframework.web.servlet.function.HandlerFunction;
import org.springframework.web.servlet.function.ServerResponse;

public interface HandlerFunctionDefinition {

	HandlerFunction<ServerResponse> handlerFunction();

	List<HandlerFilterFunction<ServerResponse, ServerResponse>> lowerPrecedenceFilters();

	List<HandlerFilterFunction<ServerResponse, ServerResponse>> higherPrecedenceFilters();

	record Default(String scheme, HandlerFunction<ServerResponse> handlerFunction,
			List<HandlerFilterFunction<ServerResponse, ServerResponse>> lowerPrecedenceFilters,
			List<HandlerFilterFunction<ServerResponse, ServerResponse>> higherPrecedenceFilters)
			implements
				HandlerFunctionDefinition {

		public Default(String scheme, HandlerFunction<ServerResponse> handlerFunction) {
			this(scheme, handlerFunction, Collections.emptyList(), Collections.emptyList());
		}
	}

}
